— What's the matter with the man hanging his head there?— Well, if you _____ know, he was caught stealing my bike. 
#89271
A
must
B
may
C
can
D
shall
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To be frank, I’d rather you ____in the case.
#87009
A
will not be involved
B
not involved
C
have not been involved
D
were not involved
The officer demanded that such things ______from happening again.
#86715
A
prevented
B
prevent
C
be prevented
D
were prevented